<{if !empty($tree.$start)}>
    <ul>
        <{foreach from=$tree.$start item=item}>
        <li>
        <span class="cb_line">
            <span class="cb_icon"></span>
            <input id="cb_<{$item.$id}>" name="<{$id}>[]" type="checkbox" value="<{$item.$id}>" style="margin: 0;" <{if !empty($checked) && in_array($item.$id, $checked)}>checked="checked"<{/if}>/>
            <label for="cb_<{$item.$id}>">
                <{$item.$name}>
                <{if $item.Tips}><span style="color:#20B308;"><{$item.Tips}></span><{/if}>
            </label>
        </span>
            <{$this->echoTree($tree, $item.$id, $id, $name, $checked)}>
        </li>
        <{/foreach}>
    </ul>
    <{/if}>